function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aguiar, Alexandre P.', 7],
    ['Aguiar, Alexandre P. & Jennings, John T.', 7],
    ['Aguiar, Alexandre P. & Jennings, John T. & Turrisi, Giuseppe F.', 6],
    ['Belokobylskij, S. A.', 4],
    ['Binoy, C. & Achterberg, C. Van & Kumar, P. Girish & Santhosh, S.', 40],
    ['Binoy, C. & Kumar, P. Girish & Dubey, Anil Kumar', 2],
    ['Chen, Hua-yan & Achterberg, Cornelis van & Xu, Zai-fu', 4],
    ['Engel, Michael & Ortega-Blanco, Jaime', 3],
    ['Ge, Si-Xun & Jiang, Zhuo-Heng & Ren, Li-Li', 12],
    ['Ge, Si-Xun & Ren, Li-Li & Tan, Jiang-Li', 7],
    ['Hong, Chun-dan & van Achterberg, Cornelis & Xu, Zai-fu', 31],
    ['Madl, Michael', 15],
    ['Soliman, Ahmed M. & Gadallah, Neveen S. & Al Dhafer, Hathal M.', 3],
    ['Tan, Jiang-Li & Achterberg, Cornelis Van & Tan, Qing-Qing', 10],
    ['Tan, Qing-Qing & van Achterberg, Cornelis & Tan, Jiang-Li', 4],
    ['Other (14)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=175)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);